Product specifications

Design Guide - VT82C694X Apollo Pro133 with VT82C686A
Preliminary Revision 0.5, November 19, 1999 75 Electrical Specifications
Technologies, Inc.
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ELECTRICAL SPECIFICATIONS
This section describes the electrical specifications of the VT82C694X.
4.1 Absolute Maximum Ratings
Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation is not implied
under the ratings listed in Table 4-1.
Table 4-1. Absolute Maximum Ratings
Symbol Parameter Min Max Unit Notes
T
A
Ambient Operating Temperature 0 70
0
C 1
T
S
Storage Temperature -55 125
0
C 1
V
IN
Input Voltage -0.5 V
RAIL
+ 10% Volts 1,2
V
OUT
Output Voltage -0.5 V
RAIL
+ 10% Volts 1,2
Notes:
1. Stress above the conditions listed may cause permanent damage to the device. Functional operation of this device should be
restricted to the conditions described under operating conditions.
2. V
RAIL
is defined as the VCC level of the respective rail. The CPU interface can be 3.3V or 1.5V. The Memory interfaces must be
3.3V only. The PCI and AGP interfaces can be 3.3V or 5.0V.
4.2 Recommended Operating Ranges
Functional operation of the VT82C694X is guaranteed if the values of voltage and temperature are within the limits defined in
Table 4-2.
Table 4-2. Recommended Operating Ranges
Symbol Parameter Min Max Notes
T
A
Ambient Operating Temperature 0
0
C 70
0
C
V
TT
1.5V Power (GTL bus) 1.425 V 1.575 V
V
CC3
3.3V Power to (IO Buffer) 3.135 V 3.465 V
V
CC5
+5V Power 4.75 V 5.25 V